These Diffuser Filters are for use with the Diffuser Elbow available for all FlexiFit 405 (HC405), FlexiFit 406 (HC406), and FlexiFit (HC407) Nasal CPAP and BiPAP masks, and all Oracle (HC451 & HC452) Oral CPAP & BiPAP Masks.

Fisher & Paykel's StretchGear Headgear is a comfortable and breathable elastic headgear, specially designed to maintain a firm seal. This headgear is compatible with all Zest and FlexiFit series CPAP and BiPAP Masks including the FlexiFit 405, FlexiFit 406, FlexiFit 407, Zest, Zest Q, and Lady Zest Q.

This Diffuser Cap is for use with the Diffuser Elbow available for all FlexiFit 405 (HC405), FlexiFit 406 (HC406), and FlexiFit (HC407) Nasal CPAP masks, and all Oracle (HC451 & HC452) Oral CPAP Masks.